Humidifier



FIG. 1 is a perspective view of a humidifier, showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 shown in FIG. 1 .

The broken lines in the figures show portions of the humidifier that form no part of the claimed design. The dash-dot lines encircling features in Figs.1 and 9 show areas of enlargement and form no part of the claimed design. 

CLAIM The ornamental design for a humidifier, as shown and described. 